EP2096660A3 - Magnetron - Google Patents

Magnetron Download PDF

Info

Publication number: EP2096660A3
Authority: EP; European Patent Office
Prior art keywords: anode cylinder; pole piece; magnetron; magnet; anode
Prior art date: 2008-02-28
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Withdrawn

Application number

EP09152226A

Other languages

English (en)

French (fr)

Other versions

EP2096660A2 (de

Inventor

Ayako c/o Panasonic Corporation Intellectual Property Kumakura

Intellectual Property Saitou Etsuo c/o Panasonic Corporation

Intellectual Property Kuwahara Nagisa c/o Panasonic Corporation

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Panasonic Corp

Original Assignee

Panasonic Corp

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

2008-02-28

Filing date

2009-02-06

Publication date

2010-04-14

2008-02-28 Priority claimed from JP2008047975A external-priority patent/JP2009205963A/ja

2008-03-31 Priority claimed from JP2008091247A external-priority patent/JP2009245760A/ja

2009-02-06 Application filed by Panasonic Corp filed Critical Panasonic Corp

2009-09-02 Publication of EP2096660A2 publication Critical patent/EP2096660A2/de

2010-04-14 Publication of EP2096660A3 publication Critical patent/EP2096660A3/de

Status Withdrawn legal-status Critical Current

Links

230000004907 flux Effects 0.000 abstract 1

Classifications

- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J25/00—Transit-time tubes, e.g. klystrons, travelling-wave tubes, magnetrons
- H01J25/50—Magnetrons, i.e. tubes with a magnet system producing an H-field crossing the E-field
- H01J25/52—Magnetrons, i.e. tubes with a magnet system producing an H-field crossing the E-field with an electron space having a shape that does not prevent any electron from moving completely around the cathode or guide electrode
- H01J25/58—Magnetrons, i.e. tubes with a magnet system producing an H-field crossing the E-field with an electron space having a shape that does not prevent any electron from moving completely around the cathode or guide electrode having a number of resonators; having a composite resonator, e.g. a helix
- H01J25/587—Multi-cavity magnetrons
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J23/00—Details of transit-time tubes of the types covered by group H01J25/00
- H01J23/02—Electrodes; Magnetic control means; Screens
- H01J23/10—Magnet systems for directing or deflecting the discharge along a desired path, e.g. a spiral path

Landscapes

Microwave Tubes (AREA)

EP09152226A 2008-02-28 2009-02-06 Magnetron Withdrawn EP2096660A3 (de)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
JP2008047975A JP2009205963A (ja)	2008-02-28	2008-02-28	マグネトロン
JP2008091247A JP2009245760A (ja)	2008-03-31	2008-03-31	マグネトロン

Publications (2)

Publication Number	Publication Date
EP2096660A2 EP2096660A2 (de)	2009-09-02
EP2096660A3 true EP2096660A3 (de)	2010-04-14

Family

ID=40433885

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP09152226A Withdrawn EP2096660A3 (de)	2008-02-28	2009-02-06	Magnetron

Country Status (2)

Country	Link
US (1)	US8120258B2 (de)
EP (1)	EP2096660A3 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JP5805842B1 (ja) *	2014-12-03	2015-11-10	東芝ホクト電子株式会社	マグネトロン

Citations (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS53111272A (en) *	1977-03-09	1978-09-28	Matsushita Electronics Corp	Magnetron unit
US4338545A (en) *	1979-02-28	1982-07-06	Tokyo Shibaura Denki Kabushiki Kaisha	Magnetron unit with a magnetic field adjusting means
US4395657A (en) *	1979-12-21	1983-07-26	Tokyo Shibaura Denki Kabushiki Kaisha	Magnetron unit with a magnetic field compensating means
US4426601A (en) *	1980-07-14	1984-01-17	Hitachi, Ltd.	Magnetron
EP0263491A2 (de) *	1986-10-06	1988-04-13	Kabushiki Kaisha Toshiba	Magnetron für einen Mikrowellenherd
JP2002163993A (ja) *	2000-11-22	2002-06-07	Sanyo Electric Co Ltd	マグネトロン

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS53162654U (de) *	1977-05-25	1978-12-20
JPS5584849U (de) *	1978-12-07	1980-06-11
JPH06267443A (ja)	1993-03-17	1994-09-22	Toshiba Corp	マグネトロン
JP4006980B2 (ja) *	2001-11-09	2007-11-14	松下電器産業株式会社	マグネトロン装置
KR100651905B1 (ko) *	2005-03-29	2006-12-01	엘지전자 주식회사	마그네트론

2009
- 2009-02-06 EP EP09152226A patent/EP2096660A3/de not_active Withdrawn
- 2009-02-19 US US12/388,822 patent/US8120258B2/en active Active

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS53111272A (en) *	1977-03-09	1978-09-28	Matsushita Electronics Corp	Magnetron unit
US4338545A (en) *	1979-02-28	1982-07-06	Tokyo Shibaura Denki Kabushiki Kaisha	Magnetron unit with a magnetic field adjusting means
US4395657A (en) *	1979-12-21	1983-07-26	Tokyo Shibaura Denki Kabushiki Kaisha	Magnetron unit with a magnetic field compensating means
US4426601A (en) *	1980-07-14	1984-01-17	Hitachi, Ltd.	Magnetron
EP0263491A2 (de) *	1986-10-06	1988-04-13	Kabushiki Kaisha Toshiba	Magnetron für einen Mikrowellenherd
JP2002163993A (ja) *	2000-11-22	2002-06-07	Sanyo Electric Co Ltd	マグネトロン

Also Published As

Publication number	Publication date
US20090218949A1 (en)	2009-09-03
US8120258B2 (en)	2012-02-21
EP2096660A2 (de)	2009-09-02

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Legal Events

Date	Code	Title	Description
2009-07-31	PUAI	Public reference made under article 153(3) epc to a published international application that has entered the european phase	Free format text: ORIGINAL CODE: 0009012
2009-09-02	AK	Designated contracting states	Kind code of ref document: A2 Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK TR
2009-09-02	AX	Request for extension of the european patent	Extension state: AL BA RS
2010-03-12	PUAL	Search report despatched	Free format text: ORIGINAL CODE: 0009013
2010-04-14	AK	Designated contracting states	Kind code of ref document: A3 Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK TR
2010-04-14	AX	Request for extension of the european patent	Extension state: AL BA RS
2010-11-24	17P	Request for examination filed	Effective date: 20101014
2010-12-15	17Q	First examination report despatched	Effective date: 20101112
2010-12-22	AKX	Designation fees paid	Designated state(s): DE FR GB
2015-07-24	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN
2015-08-26	18D	Application deemed to be withdrawn	Effective date: 20150325